US 7,511,840 B2
Image forming apparatus
Toshiyuki Sato, Mishima (Japan)
Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan); and Toshiba Tec Kabushiki Kaisha, Tokyo (Japan)
Filed on Jan. 30, 2003, as Appl. No. 10/354,039.
Prior Publication US 2004/0150851 A1, Aug. 05, 2004
Int. Cl. G06F 15/00 (2006.01); G06F 15/16 (2006.01)
U.S. Cl. 358—1.15  [709/206] 20 Claims
OG exemplary drawing
 
1. An image forming apparatus, comprising:
a memory section configured to store firmware;
a connection section configured to connect the apparatus to a network;
a receiving section configured to receive an e-mail including a header portion containing an exclusive command indicating that firmware data used for updating the version of the firmware is attached and data indicating a transmitter, and enclosing an attachment of the firmware data, via the connection section;
a checking section configured to confirm a checksum of the firmware data;
a judgment section configured to judge whether the header portion of the e-mail contains the exclusive command, when the checksum of the firmware data is correct;
an updating section configured to update a version of the firmware with the firmware data attached to the e-mail when the judgment section judges that the header portion includes the exclusive command when the firmware is being executed, the updating section updating the version of the firmware after a timer counts a time to finish the execution calculated by a control section; and
a transmitting section configured to form an e-mail indicating the updating of the firmware has been successfully carried out or resulted in failure and then send it back to the transmitter of the e-mail via the connection section.